Manziel isn't alone, though. There are plenty of stars who took a pause for the cause in order to get their life back on track. Take a look at other celebrities who went to rehab for a variety of reasons. less

In 2006, actor and comedian Robin Williams publicly admitted his battle with alcoholism and checked himself into rehab. Several years later, Williams' representative said the actor returned to rehab to "fine-tune and focus on his continued commitment" to staying sober. He died a little more than a month later. less

A look at Robin Williams in 1977 at age 26. Photo-1200258.74977 - Houston Chronicle

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Actor Shia LaBeouf's recent erratic behavior finally led to him being thrown out of a stage show in New York City. Soon after, the "Transformers" star's rep said LaBeouf was starting a self-help program for undisclosed treatment. less

Actor Shia LaBeouf's recent erratic behavior finally led to him being thrown out of a stage show in New York City. Soon after, the "Transformers" star's rep said LaBeouf was starting a self-help program for ... more